<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			function h1(){
				var h=document.getElementById("gg");
				h.setAttribute("hidden","hidden");
			}
			function h2(){
				var h=document.getElementById("gg");
				h.style.display="none";
			}
			function h3(){
				var h=document.getElementById("gg");
				h.style.visibility="hidden";//visible
			}
		</script>
	</head>
	<body>
		<h2 id="gg">安徽人民政府公告</h2>
		<div>
			<input type="button" value="隐藏" onclick="h1()">
			<input type="button" value="隐藏" onclick="h2()">
			<input type="button" value="隐藏" onclick="h3()">

		</div>
	</body>
</html>
